const hexList: string[] = [];
for (let i = 0; i <= 15; i++) {
	hexList[i] = i.toString(16);
}

export function buildUUID(): string {
	let uuid = '';
	for (let i = 1; i <= 36; i++) {
		if (i === 9 || i === 14 || i === 19 || i === 24) {
			uuid += '-';
		} else if (i === 15) {
			uuid += 4;
		} else if (i === 20) {
			uuid += hexList[(Math.random() * 4) | 8];
		} else {
			uuid += hexList[(Math.random() * 16) | 0];
		}
	}
	return uuid.replace(/-/g, '');
}

let unique = 0;
export function buildShortUUID(prefix = ''): string {
	const time = Date.now();
	const random = Math.floor(Math.random() * 1000000000);
	unique++;
	return prefix + '_' + random + unique + String(time);
}
